TS (Single Row Tapered Roller Bearings) (Imperial) 938-933

The 938-933 is a single-row tapered roller bearing with a 4.5″ bore and 8.2677″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 129,000 lbf radially and 18,600 lbf thrust, suitable for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive applications where high radial and thrust loads are common.

Weighing 20.9 lb, it’s built to handle demanding environments. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 938-933
Brand TFL
Interchangeable Timken
Size 4.5" x 8.2677" x 2.6378"
Bore Dia 4.5"
Bore Dia Tolerance +0.001" to 0
Outer Dia 8.2677"
Outer Dia Tolerance +0.001" to 0
Cone Width 2.625"
Cone Width Tolerance +0.003" to -0.01
Cup Width 2.125"
Cup Width Tolerance +0.002" to -0.01
Width 2.6378"
Width Tolerance +0.014" to -0.01"
Cone Backface ToClear Radius 0.280"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 6.02"
Cone Backface Backing Diameter 5.55"
Cup Frontface Backing Diameter 7.61"
Cup Backface Backing Diameter 7.32"
Cage Cone Frontface Clearance 0.09"
Cage Cone Backface Clearance 0.23"
Effective Center Location -0.78"
System of Measurement Inch
Type Bearing
Cone Part Number 938
Cup Part Number 933
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 935
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 129000 lbf
Static Radial Load 177000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 33300 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 18600 lbf
Lubrication Required
Temperature Range -30° to 110 °C
ABEC Rating ABEC-1
Radial Clearance Standard (Available in C3/C4/C5)
RoHS Compliant
REACH Compliant
Weight 20.9 lb

Features

Performance Features of 938-933 Bearing

938-933 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 129,000 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 938-933 Bearing Reduce Friction?

938-933 Bearing’s tapered roller design minimises friction, allowing smooth operation under heavy loads.
The chrome steel construction enhances durability while maintaining efficiency.
Its standard radial clearance ensures consistent performance without excessive wear.
This design also helps in distributing loads evenly across the rollers.

Built for Reliability: 938-933 Bearing

938-933 Bearing is engineered to handle both radial and thrust loads with ease.
Its dynamic thrust rating of 18,600 lbf makes it suitable for demanding industrial applications.
The precise cone and cup design ensures proper alignment during operation.
With ABEC-1 rating, it delivers consistent performance in various conditions.

Steel vs Ceramic Bearings: Strengths of 938-933 Bearing

938-933 Bearing uses chrome steel for both rings and rollers, providing excellent strength.
This material choice offers better impact resistance compared to ceramic alternatives.
The steel cage further enhances durability in high-load situations.
Its standard lubrication requirements make maintenance straightforward and cost-effective.

Application

Industrial Uses of 938-933 Bearing
The 938-933 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 938-933 Bearing Used?
You’ll often find 938-933 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design supports high radial and thrust loads. The inch sizing makes it a popular choice for North American equipment manufacturers.

Built for Heavy-Duty Use: 938-933 Bearing
In industrial gearboxes, 938-933 Bearing provides reliable performance under continuous operation. The open design allows for easy lubrication, extending its service life in high-temperature conditions.

Automotive vs Aerospace: Applications of 938-933 Bearing
In automotive applications, 938-933 Bearing is ideal for wheel hubs and differentials, offering smooth performance under stress. For aerospace, its precision engineering meets the demands of auxiliary systems in aircraft.

Perfect Fit for Automation: 938-933 Bearing
938-933 Bearing works well in automated production lines, particularly in conveyor systems requiring consistent load handling. Its steel cage ensures stability during high-speed operations.